Entire letter inscribed "P.Bateau a Vapeur de Trieste", canc. "AMSTERDAM*31/12" to Athens. Two line cachet "Franco/Coblentz" and transit postmarks "EMMERICH*21/3" in Germany, arr. "ΑΘΗΝΑΙ*6.ΙΑΝΟΥΑΡ.1850". "2h/12" Postage in Heller for German-Austrian Union, overall to be paid in arrival "200" (lepta). Very fine and scarce.